Today President Trump announced on Twitter that the U.S. was revoking California’s waiver under the Clean Air Act (CAA) which allowed it to impose stricter tailpipe emission standards than the federal ones. California’s Governor Newsom and Attorney General Becerra immediately announced that the state would file suit to challenge the revocation.
While the revocation has been characterized as an immediate rollback, the federal corporate average fuel economy (CAFE) standards established under the previous administration, which are consistent with California’s, remain in place. Last year the Trump administration proposed to rollback those standards, freezing the efficiency and emission rules in 2021 and canceling further increases in stringency set through 2028. The final rule has not yet been issued. It is rumored that it will not be, as the administrative record supporting it has many problems and most acknowledge that it faces significant legal hurdles. Continue Reading